First and second [and third] reports of the Liverpool Compass Committee to the Board of Trade, 1855 & 1856 [and 1857-1860] ...
Contributors: Brocklebank, Thomas, Sir, 1814-1906.
Publisher: Printed by G.E. Eyre and W. Spottiswoode, for H.M. Stationery Off.
Published: 1857
Place of publication: London
Language: eng
Subjects: Compass, Deviation of.; Magnetism of ships.
Notes: Signed: Thos. Brocklebank, chairman, Liverpool Compass Committee.
On t.-p. of 1855 & 1856, "with letters from the astronomer royal thereupon."